Home / 1,375,690.60-2,063,535.90-871,805.80

Finding the Fourth Proportional to 1,375,690.60, 2,063,535.90 and 871,805.80

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Solution

The fourth proportional to 1,375,690.60, 2,063,535.90 and 871,805.80 is: 1,307,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,690.60 : 2,063,535.90 = 871,805.80 : x
  2. Step 2: Convert to fraction form
    1,375,690.60/2,063,535.90 = 871,805.80/x
  3. Step 3: Cross multiply
    1,375,690.60x = 2,063,535.90 × 871,805.80
  4. Step 4: Simplify right side
    1,375,690.60x = 1,799,002,566,128.22
  5. Step 5: Solve for x
    x = 1,799,002,566,128.22/1,375,690.60
  6. Step 6: Final answer
    x = 1,307,708.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.